Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11793360 | Anti-slip and safe chopping board structure having composite sandwich | — | 2023-10-24 |
| 4458667 | Gas warmer | — | 1984-07-10 |
| 4338690 | Automatic mechanism for flush and raising toilet seat | Jung-Kuang Hsieh | 1982-07-13 |